WARNING: Do NOT Use Meta Keywords!
From Search Engine Land, Oct 14, 2011
The Meta Keywords Tag Lives At Bing & Why Only Spammers Should Use It
Seems that Bing has brought back meta keywords, but not to find search value in a web page, rather to find out which ones are more trustworthy, and which ones are trying to spam their content.
The biggest error you can have, isÂ irrelevantÂ keywords, and keyword stuffing, and they suggest youÂ Do NOT Use Meta Keywords. But the commenters feel different. See this article …